Seagate ST9146802SS, ST973402SS manual Physical/electrical specifications, AC power requirements

Models: ST973402SS ST9146802SS

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6.0Physical/electrical specifications

6.0Physical/electrical specifications

This section provides information relating to the physical and electrical characteristics of the drive.

6.1AC power requirements

None.

6.2DC power requirements

The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive connector.

Table 12: ST9146802SS DC power requirements

 

 

 

 

 

 

 

ST9146802SS

 

ST9146802SS

 

 

 

 

 

 

 

 

1.5 Gbit mode

 

3.0 Gbit mode

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes

(Amps)

 

(Amps)

(Amps)

 

(Amps)

 

 

 

 

 

 

 

 

 

Voltage

 

 

+5V

 

+12V [2]

+5V

 

+12V [2]

 

 

 

 

 

 

 

 

 

Regulation

 

[5]

±5%

 

±5% [2]

±5%

 

±5% [2]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[1] [7]

0.79

 

0.15

0.77

 

0.15

Avg idle current DCX

 

 

 

 

Maximum starting current

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(peak DC) DC

3σ

[3]

0.87

 

1.59

0.85

 

1.59

(peak AC) AC

3σ

[3]

1.22

 

2.01

1.43

 

2.02

 

3σ

 

 

 

 

 

 

 

Delayed motor start (max) DC

[1] [4]

0.65

 

0.02

0.68

 

0.03

Operating current:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[1] [6]

0.76

 

0.37

0.79

 

0.39

Typical DCX

 

 

 

 

Maximum DC

3σ

[1]

0.78

 

0.40

0.83

 

0.43

Maximum (peak) DC

3σ

 

1.34

 

1.19

1.41

 

1.21

 

 

 

 

 

 

 

 

 

 

 

 

 

Gen 3.5 LPSS measured data (latest available) plus 12V max start current margins of .15A for DC and .20A for AC. All others have 10% margin added.

Savvio 10K.2 SAS Product Manual, Rev. B

25

Page 35
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Seagate ST9146802SS, ST973402SS manual Physical/electrical specifications, AC power requirements, DC power requirements